> Markdown version of [/jobs/ext/1895733-systems-administrator](https://www.wearedevelopers.com/jobs/ext/1895733-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator - **Company:** Peraton Inc - **Location:** Sierra Vista, AZ, United States - **Salary:** $66,000.0 - $106,000.0 - **Contract:** Permanent contract - **Skills:** Avaya IP Phone 1140e, VoIP, Cisco Unified Communications Manager, Software Documentation, System Configuration, Oracle (Applications), System Availability, Ribbon (Software), Performance Monitor, Vulnerability Analysis - **Published:** August 1, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9070481/systems-administrator ## About the Role * 6 years w/o BS/BA; 4 years with an Associates degree; 2 years with BS/BA; OR one of the following: SecurityX / CASP+ CCNP Security+ CCSP FITSP-O GFACT * Active DoD Secret Clearance * Expertise in VoIP and VTC system operations, maintenance, and security. * Experience with system configuration, patching, and vulnerability scanning. * Strong troubleshooting and problem-solving skills for infrastructure support. * Ability to create and maintain detailed system documentation and diagrams. * Knowledge of availability and performance monitoring tools and techniques. * Experience with Avaya, CUCM, Oracle, or Ribbon VOIP devices * Familiarity with security policies and compliance standards within enterprise environments. ## Description * Operate, maintain, secure, and update enterprise VoIP and VTC systems to ensure system integrity and security. * Configure, patch, and scan systems to maintain high availability and optimal performance. * Respond to incident tickets, service requests, and restoration of services, as well as process requests for change. * Maintain documentation of server/system characteristics, physical/logical capability diagrams, and security policies/settings. * Notify the Government of any "critical" or "high" incidents impacting critical systems and services. * Troubleshoot, repair, and recommend changes to VoIP and VTC infrastructure to ensure robust and sustainable systems. * Perform availability and performance monitoring, including trend analysis to assess service quality. * Employ best business practices to provide secure, standardized, and scalable VoIP and VTC systems. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Times of (climate) crisis - How and why sustainable software is a must!](https://www.wearedevelopers.com/videos/988-times-of-climate-crisis-how-and-why-sustainable-software-is-a-must) - [Autonomous microservices with event-driven architecture](https://www.wearedevelopers.com/videos/1052-autonomous-microservices-with-event-driven-architecture) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Kettle and Pot or Peas in a Pod? A Debate on Open-Source and Proprietary Software](https://www.wearedevelopers.com/videos/1585-kettle-and-pot-or-peas-in-a-pod-a-debate-on-open-source-and-proprietary-software) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 129 - Now that's what I call private data!](https://www.wearedevelopers.com/magazine/468-dev-digest-129-now-that-s-what-i-call-private-data) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)